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Environment test and IP67 test of cold shrink tube
Time: 2021-10-28 09:42:09     Copyfrom: SuZhou Volsun Electronics Technology Co.,Ltd.

Today we will introduce two test items of silicone cold shrink tube,one is the high and low temperature test,the other is the IP67 waterproof and sealing test.
First is the high and low temperature test,the following are the test items and typical test data.

Test Item

Silicone cold shrink tube(Typical Data)

High temperature sealing test(Install the cold shrink tube on the cable,put them in the water by 3min. 70/95%1h )

No cracking

No water enter into the samples

Low temperature test-40℃,96h

No cracking

High temperature test70℃,16h

No cracking

Low and high temperature test-40℃,3h/70℃,3h5 recycles

No color change

No cracking

Next we will introduce the IP67 test items here.
1. Test item: IPX7
Test Standard: GB/T 4208-2017
Test condition:
Depth: 1.0 meter
Test Time: 30 min
Labor environment: 15℃-35℃,25%RH-75%RH
Test result: Pass,No visible water at the coonection between cable and sample

2. Test item:IP6X
Test standard: GB/T 4208-2017 and client’s requirement
Test condition:
Test Dust: Talcum powder
Dust Concentration: 2kg/m³ chamber volume and be kept in suspension during the test
Test time: 8 hours
Lab environment: 15℃-35℃,25%RH-75%RH
Test result: Pass,no visilbe dust in the cable and samples connection

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